Joel Greenblatt acquired 62 Thousand Berkshire Hathaway shares worth $25.2 Million. That's 0.45% of their equity portfolio (18th largest holding). The first Berkshire Hathaway trade was made in Q3 2013. Since then Joel Greenblatt bought shares twenty more times and sold shares on fourteen occasions. The stake costed the investor $13.5 Million, netting the investor a gain of 86% so far.